/**
 *    Copyright ${license.git.copyrightYears} the original author or authors.
 *
 *    Licensed under the Apache License, Version 2.0 (the "License");
 *    you may not use this file except in compliance with the License.
 *    You may obtain a copy of the License at
 *
 *       http://www.apache.org/licenses/LICENSE-2.0
 *
 *    Unless required by applicable law or agreed to in writing, software
 *    distributed under the License is distributed on an "AS IS" BASIS,
 *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *    See the License for the specific language governing permissions and
 *    limitations under the License.
 */
package org.mybatis.generator.codegen.mybatis3.javamapper.elements;

import static org.mybatis.generator.codegen.mybatis3.MyBatis3FormattingUtilities.getRenamedColumnNameForResultMap;
import static org.mybatis.generator.internal.util.StringUtility.stringHasValue;

import org.mybatis.generator.api.IntrospectedColumn;
import org.mybatis.generator.api.dom.java.FullyQualifiedJavaType;
import org.mybatis.generator.api.dom.java.Interface;
import org.mybatis.generator.api.dom.java.Method;
import org.mybatis.generator.codegen.AbstractGenerator;
import org.mybatis.generator.config.GeneratedKey;

/**
 * 
 * @author Jeff Butler
 */
public abstract class AbstractJavaMapperMethodGenerator extends AbstractGenerator {
  public abstract void addInterfaceElements(Interface interfaze);

  public AbstractJavaMapperMethodGenerator() {
    super();
  }

  protected String getResultAnnotation(Interface interfaze, IntrospectedColumn introspectedColumn, boolean idColumn,
      boolean constructorBased) {
    StringBuilder sb = new StringBuilder();
    if (constructorBased) {
      interfaze.addImportedType(introspectedColumn.getFullyQualifiedJavaType());
      sb.append("@Arg(column=\""); //$NON-NLS-1$
      sb.append(getRenamedColumnNameForResultMap(introspectedColumn));
      sb.append("\", javaType="); //$NON-NLS-1$
      sb.append(introspectedColumn.getFullyQualifiedJavaType().getShortName());
      sb.append(".class"); //$NON-NLS-1$
    } else {
      sb.append("@Result(column=\""); //$NON-NLS-1$
      sb.append(getRenamedColumnNameForResultMap(introspectedColumn));
      sb.append("\", property=\""); //$NON-NLS-1$
      sb.append(introspectedColumn.getJavaProperty());
      sb.append('\"');
    }

    if (stringHasValue(introspectedColumn.getTypeHandler())) {
      FullyQualifiedJavaType fqjt = new FullyQualifiedJavaType(introspectedColumn.getTypeHandler());
      interfaze.addImportedType(fqjt);
      sb.append(", typeHandler="); //$NON-NLS-1$
      sb.append(fqjt.getShortName());
      sb.append(".class"); //$NON-NLS-1$
    }

    sb.append(", jdbcType=JdbcType."); //$NON-NLS-1$
    sb.append(introspectedColumn.getJdbcTypeName());
    if (idColumn) {
      sb.append(", id=true"); //$NON-NLS-1$
    }
    sb.append(')');

    return sb.toString();
  }

  protected void addGeneratedKeyAnnotation(Interface interfaze, Method method, GeneratedKey gk) {
    StringBuilder sb = new StringBuilder();
    IntrospectedColumn introspectedColumn = introspectedTable.getColumn(gk.getColumn());
    if (introspectedColumn != null) {
      if (gk.isJdbcStandard()) {
        interfaze.addImportedType(new FullyQualifiedJavaType("org.apache.ibatis.annotations.Options")); //$NON-NLS-1$
        sb.append("@Options(useGeneratedKeys=true,keyProperty=\""); //$NON-NLS-1$
        sb.append(introspectedColumn.getJavaProperty());
        sb.append("\")"); //$NON-NLS-1$
        method.addAnnotation(sb.toString());
      } else {
        interfaze.addImportedType(new FullyQualifiedJavaType("org.apache.ibatis.annotations.SelectKey")); //$NON-NLS-1$
        FullyQualifiedJavaType fqjt = introspectedColumn.getFullyQualifiedJavaType();
        interfaze.addImportedType(fqjt);
        sb.append("@SelectKey(statement=\""); //$NON-NLS-1$
        sb.append(gk.getRuntimeSqlStatement());
        sb.append("\", keyProperty=\""); //$NON-NLS-1$
        sb.append(introspectedColumn.getJavaProperty());
        sb.append("\", before="); //$NON-NLS-1$
        sb.append(gk.isIdentity() ? "false" : "true"); //$NON-NLS-1$ //$NON-NLS-2$
        sb.append(", resultType="); //$NON-NLS-1$
        sb.append(fqjt.getShortName());
        sb.append(".class)"); //$NON-NLS-1$
        method.addAnnotation(sb.toString());
      }
    }
  }
}
